Prosecution Insights
Last updated: October 26, 2026

Frank Alexis Silva, USPTO Patent Examiner

Listed by the USPTO as SILVA, FRANK ALEXIS

Tech Center 2800 • Art Units: 1729 2646 2851 2859

This examiner grants 28% of resolved cases

Analysis

SILVA, FRANK ALEXIS works in Tech Center 2800 and Art Unit 1729. The profile records 46 resolved cases, a 28.3% allowance rate, and a 50.3% interview lift. The allowance rate indicates a challenging recorded docket, while the interview figure suggests that direct discussion can materially affect prosecution outcomes in the matters represented. Applicants may benefit from using interviews to isolate claim interpretation issues and test whether focused amendments address the examiner’s principal concerns.

The median time to allowance is 1305 days, indicating that successful prosecution may take substantial time. The listed companies are Toyota Motor Corporation, MILWAUKEE ELECTRIC TOOL Corporation, and Huawei Technologies Co., Ltd. The listed firms are BIRCH STEWART KOLASCH & BIRCH, LLP, MICHAEL BEST & FRIEDRICH LLP (Mke), and AMIN, TUROCY & WATSON, LLP. Counsel should combine early interview preparation with a clear written response plan, particularly where claim changes could affect multiple technical or commercial objectives.

Written from this page's own data; every figure is computed from USPTO records and verified before publication.

Performance Statistics

28.3%
Allow Rate
-39.7% vs TC avg
104
Total Applications
+50.3%
Interview Lift
1305
Avg Prosecution Days
Based on 46 resolved cases, 2023–2026

Rejection Statute Breakdown

9.2%
§101 Eligibility
20.3%
§102 Novelty
61.8%
§103 Obviousness
6.9%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18704038 Systems and Methods for Controlling Charging and Maintenance of a Battery Using a Charger Non-Final OA Milwaukee Electric Tool Corporation
18256847 MULTI-BAY BATTERY CHARGER Final Rejection MILWAUKEE ELECTRIC TOOL CORPORATION
18196911 WIRELESS CHARGING OF ELECTRONIC DEVICES Final Rejection APPLE INC.
18254712 Adapter for an Exchangeable Rechargeable Battery Pack Final Rejection Robert Bosch GmbH
18468799 INFORMATION MANAGEMENT SYSTEM AND INFORMATION MANAGEMENT METHOD Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18366110 CHARGE-DISCHARGE CONTROL DEVICE Non-Final OA TOYOTA JIDOSHA KABUSHIKI KAISHA
18076782 VEHICLE Final Rejection TOYOTA JIDOSHA KABUSHIKI KAISHA
18586044 EQUALIZATION CIRCUIT, BATTERY PACK, AND ENERGY STORAGE SYSTEM Non-Final OA HUAWEI DIGITAL POWER TECHNOLOGIES CO., LTD.
18455149 Energy System and Charging and Discharging Control Method Final Rejection Huawei Digital Power Technologies Co., Ltd.
17913577 BATTERY MANAGEMENT APPARATUS AND METHOD, AND BATTERY MANAGEMENT SYSTEM Non-Final OA LG ENERGY SOLUTION, LTD.
17665930 BATTERY CHARGING AND DISCHARGING APPARATUS AND METHOD Non-Final OA LG ENERGY SOLUTION, LTD.
18582698 MANAGEMENT APPARATUS Non-Final OA HONDA MOTOR CO., LTD.
18396915 BATTERY SYSTEM OF VEHICLE USING SWAPPABLE AUXILIARY BATTERY, AND CONTROL METHOD THEREOF Non-Final OA Kia Corporation
18620694 POWER SUPPLY DEVICE Non-Final OA DENSO CORPORATION
18305570 CHARGING METHOD, CHARGING APPARATUS, AND CHARGING SYSTEM FOR TRACTION BATTERY Final Rejection CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED
18341468 MOBILE CHARGING APPARATUS, WEARABLE APPARATUS, AND APPARATUS CONTROL METHOD AND STORAGE MEDIUM Final Rejection Beijing Xiaomi Mobile Software Co., Ltd.
17589636 SHORT-TERM STORAGE BASED ON STATE-OF-CHARGE FOR ELECTRIC VEHICLES Non-Final OA FORD GLOBAL TECHNOLOGIES, LLC
18156919 ADAPTIVE BATTERY BACKUP UNIT CHARGING SYSTEM AND METHOD Non-Final OA DELL PRODUCTS L.P.

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Frequently Asked Questions

What is examiner Frank Alexis Silva's allowance rate?

28.3% of resolved applications examined by Frank Alexis Silva were allowed (46 resolved cases), compared with 52.2% across Art Unit 1729 over the last five years.

Does an interview help with examiner Frank Alexis Silva?

This examiner's interview lift is +50.3 percentage points: the difference in allowance rate between resolved applications that had an examiner interview and those that did not.

How long does examiner Frank Alexis Silva take to allow a patent?

Applications allowed by Frank Alexis Silva took 1,305 days on average from filing to allowance.

Which art unit does examiner Frank Alexis Silva work in?

Frank Alexis Silva examines applications in Art Unit 1729 in Tech Center 2800 (Semiconductors, Circuits & Optics).

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